<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <style>
       p{width: 500px;
           height: 200px;
           font-size: 50px;
           color: aqua;
           text-shadow: 5px 5px 4px gray;
           }
       textarea{
           width: 200px;
           height: 300px;
           background: aqua;
           border: 1px solid red;
           word-wrap: break-word;
       }
    </style>
</head>
<body>
    <p>我是文本阴影</p>
 <textarea>gregergdfgrgdgfdgfdgfdgdrgrdgfdgggdfgrgdgfgrgdfgfdgrdgfdgrdgfdfdsfdsgsfkojdoamdaldmlsajodksankcnwncaskjcnknjcaskcbikbcaskc kabdwkaksasckabwdabdisabjsakc jw
     </textarea>
</body>
</html>